Bosch Alternator 12V 80A 0124315029

The Bosch Alternator 12V 80A, part number 0124315029, is a new rotating electrical component supplied as each unit. It is a 12-volt alternator with an 80 amp power rating and a twin leg alternator mount, with 40mm inside mounting legs and a field control unit regulator type.

This alternator is listed to suit Toyota Corolla applications with the 1ZZ-FE engine. The supplied fitment detail is specific, so it is best used as a guide only until the part number, mounting style, voltage and regulator type are matched against the vehicle already fitted.

Bosch identifies this unit with pin code IR115 and notes a one year warranty. The alternator is described as using high quality raw materials, non-recycled copper, application-designed regulators and premium quality bearings, which are all practical details to check when comparing against a removed unit or an existing parts listing.

Key Features

• 12V alternator with 80A output
• New unit supplied each
• Bosch part number 0124315029
• Twin leg alternator mount
• Inside mounting legs: 40mm
• Field control unit regulator type

Specifications

• Brand: Bosch
• Product type: Alternator
• Voltage: 12V
• Power rating: 80A
• Alternator charge current: 80A
• Mount type: Twin leg
• Inside mounting legs: 40mm
• Regulator type: Field control unit

Fitment details provided

• Toyota Corolla with 1ZZ-FE engine
• Suits Bosch unit make
• Use the part number 0124315029 and mounting details to confirm match before ordering

Application and Buying Notes

When checking this alternator, the most useful identifiers are Bosch part number 0124315029, 12V voltage, 80A charge current, twin leg mount and 40mm inside mounting legs. Those details need to line up with the vehicle’s existing alternator and mounting arrangement before purchase, especially where the regulator type must be a field control unit.

The fitment note supplied is specific to Toyota Corolla with the 1ZZ-FE engine, but that should still be verified against the removed part and the vehicle application. Alternators can differ by mount style, pin code and regulator arrangement even within the same model family, so the part number is the safest starting point for comparison.

Bosch also recommends additional inspection of the V-Belt or V-Ribbed Belt. That is sensible whenever an alternator is being replaced, because belt condition, wear and alignment can affect charging performance and the service life of the replacement unit. If the belt is worn, glazed or cracked, it is worth addressing at the same time.

Before supply, the safest approach is to confirm the original unit details against the listed part number, voltage, output rating, mounting arrangement, and pulley configuration. That checking process is standard practice in the parts trade because visually similar units can still differ in service-critical ways.

For workshop, fleet, and equipment applications, accurate identification of part number 0124315029 helps avoid unnecessary freight, additional labour, and vehicle or machine downtime. Where the application is not straightforward, the original unit, OEM reference, or workshop records should be used as the primary confirmation point.

Relevant published details for this unit include Type ALTERNATOR, Unit of Measure EACH, Warranty One Year, Pin Code IR115, Regulator Type Field Control Unit, Voltage 12, New / Reman. New, Recommended additional repairs V-Belt/V-Ribbed Belt, Product Group 1 ROTATING ELECTRICAL, Part No. 0124315029.

Additional published details for cross-checking include Brand BOSCH, Description Bosch Alternator 12V 80A, Inside Mounting Legs 40mm, Power Rating (Amp) 80, Suits Unit Make Bosch, Alternator Mount Twin Leg, Alternator Charge Current [A] 80, Product Group 2 ALTERNATORS.

Bosch Alternator 12V 80A. Part number 0124315029 should be checked first. Listed voltage is 12. Listed output rating is 80. These details form the core reference points used by parts interpreters when confirming the correct replacement.

Mount style is Twin Leg. Regulator type is Field Control Unit. Those physical and electrical details should line up with the original unit before the replacement is approved for fitment.

For part number 0124315029, the normal identification sequence is part number, electrical rating, mounting arrangement, connector or terminal style, and pulley or drive details. Using those checkpoints helps confirm that the listed unit matches the service requirement rather than only looking similar.

For a alternator in workshop, fleet, trade, agricultural, or construction service, the listed voltage 12 and output 80 should be checked carefully. Incorrect selection can affect installation time, return freight, and equipment availability.

Where no verified application list is available, the part number, mounting details, connector style, and published specifications should be used as the primary selection criteria.

Compatibility note: Confirm compatibility by matching Bosch part number 0124315029, the 12V 80A specification, twin leg mount, 40mm inside mounting legs, pin code IR115 and the Toyota Corolla 1ZZ-FE application details against the vehicle before ordering.

FAQ

What vehicle is this alternator listed for?

It is listed to suit Toyota Corolla applications with the 1ZZ-FE engine. For this listing, part number 0124315029 is the main reference point. Listed voltage is 12. Listed output rating is 80. These details should still be checked against the original unit before ordering.

What is the Bosch part number?

The Bosch part number is 0124315029. For this listing, part number 0124315029 is the main reference point. Listed voltage is 12. Listed output rating is 80. These details should still be checked against the original unit before ordering.

Is this alternator new or remanufactured?

It is listed as new. For this listing, part number 0124315029 is the main reference point. Listed voltage is 12. Listed output rating is 80. These details should still be checked against the original unit before ordering.

What voltage and output does it have?

It is a 12V alternator with an 80A power rating and 80A alternator charge current. For this listing, part number 0124315029 is the main reference point. Listed voltage is 12. Listed output rating is 80. These details should still be checked against the original unit before ordering.

What mount and regulator type are specified?

It has a twin leg alternator mount, 40mm inside mounting legs, and a field control unit regulator type. For this listing, part number 0124315029 is the main reference point. Listed voltage is 12. Listed output rating is 80. These details should still be checked against the original unit before ordering.

What additional repair is recommended?

Bosch recommends checking the V-Belt or V-Ribbed Belt when fitting this alternator. For this listing, part number 0124315029 is the main reference point. Listed voltage is 12. Listed output rating is 80. These details should still be checked against the original unit before ordering.